ME3000 for example, this manual describes the AT command interfaces of the ...
According to GSM standard, some specific ZTE commands are added for users'.
V1.5. 1. Modify the previous documents and make them further standardized; .... 2.4 Network Service Command . ..... 2.10.5 +ZEDT: set DTR inspection mode .
3. Provide evaluations and technical diagnosis for principle diagram, PCB, test scenarios;. 4. ... 1.1.3 AT Command Syntax . .... 2.4 Network Service Command .
This instruction manual provides complete unpacking, installation, wiring, and .....
Volatile Memory saves the configuration currently in the UPC2100 RAM of the ...
Wiring diagram pop-ups are available showing the exact terminals for each.
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... Home Base and Create are trademarks of iRobot Corporation. U.S. Pat. Nos.
signal triggers mono-stable multivibrator MMV2, whose relaxation time is approximately 400µs. Fig. 4 â Block scheme of the addressable element. High level of ...
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2ï¼Added the value of the two signal lights State 3, 4: AT+SIGNAL=3:Normal state is blinking, always on after the GPRS
AT command set. AT command set. – M1HS, N501HS, H600 – .... 3 SMS
Commands . ..... 4 Commands for Safety Configuration .
London School of Economics' International Humanitarian Law Project and Chatham House's International Security Department
Mar 3, 2006 ... GR64 & GS64. AT Command Manual. The AT Command Manual reference of all
AT Commands provided in the. GR64 and GS64 modules.
And there are three work roles (Master, Slave and Loopback) at the ... When the
module is at the order-response work mode, user can send the AT command to.
Note the following details of the code protection feature on Microchip devices: .... focused on the MPLAB IDE, MPLAB IDE
allow unauthorized access to your software or other copyrighted work, you may have a ... and manufacture of development
Dec 24, 2010 - SIMCom Wireless Solutions Ltd, copying of this document and giving it to others and the using or communic
May 28, 2007 - to defeat antibiotics, independent programmers producing and refining open ..... blogs and wikis have bee
May 28, 2007 - ... Department of the Navy. Signature: ..... while the Internet served as a commons for electronic inform
Dec 24, 2010 - 2.2.33 AT+GCAP Request Complete TA Capabilities List . ...... 0 Disconnect ALL calls on the channel the c
7 Jul 2011 ... SIM908 AT Command Manual_V1.01 .... 1.6.2 Hardware flow control (RTS/CTS
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Dec 24, 2010 - Document Title: SIM900 AT Command Manual. Version: 1.03. Date: 2010-12-24. Status: ...... 4.2.9 AT+CPMS P
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With strong technical force, ZTE Corporation can provide CDMA/GPRS module customers with the following all-around technical support: 1. Provide complete technical documentation; 2. Provide the development board used for R&D, test, production, after-sales, etc.; 3. Provide evaluations and technical diagnosis for principle diagram, PCB, test scenarios; 4. Provide test environment;
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2
GSM Modules
Preface Summary This manual is applicable for ME3000、MG3006、MG3030、MG3036、MG3080、MG3082、MG3086、 MG3088 modules. Taking ME3000 for example, this manual describes the AT command interfaces of the modules, which contains standard GSM voice and data applications. According to GSM standard, some specific ZTE commands are added for users’ convenience. This manual might help you to understand how to use AT commands of these modules.
Target Readers z z z z
System Designing Engineers Hardware Engineers Software Engineers Testing Engineers
Brief Introduction Chapters
Contents
1 General Description
Briefly introduces the types and basic formats of ME3000、MG3006、 MG3030、MG3036、MG3080、MG3082、MG3086、MG3088 modules.
2 AT Command
Explains AT command operations of ME3000 modules in details.
Update History The update history includes the update descriptions each time. The update contents will be included in the latest version.
Document Version: V1.6 (2007-08-24) This is the seventh time to release formally. The update contents include: Add +CGMI，ATZ，+COPS，+CMEE commands. Add parameter "ME" in AT+CPBS Add parameters in AT+CPIN.
Document Version: V1.5 (2007-08-17) This is the sixth time to release formally. The update contents include: Add 3 types of modules which are Applicable: MG3036、MG3082、MG3088 Change ME for MG (except ME3000).
Document Version: V1.4 (2007-07-05) This is the fifth time to release formally. The update contents include: Add 3 types of modules which are Applicable: ME3006, ME3080, ME3086
3
GSM Modules
Add 2.1.26 +CPWD: modify password Add 2.6.5 +CNUM: obtain number of current terminal Add 2.5.12 +ZSMGS: full SMS indication 2.10 change contents of TCP/IP chapter
Document Version V1.3 (2007-06-15) This is the fifth time to release formally. The update contents include: Add 2.1.23 AT+CCWA Add 2.1.24 AT+CHLD Add 2.7.7 +ZEDT: set DTR signal detecting Revise 2.10.5 +ZIPSEND：send TCP data to destination address Revise 2.10.12 +ZIPSENDU：send TCP data to destination address
Document Version: V1.2 (June-4-2007) Change the manual name from 《AT Command Manual for ZTE Corporation’s GSM/GPRS Modules》to 《AT Command Manual for ZTE Corporation’s ME3000 Modules》. Add the applicable modules such as ME3000, ME3006, ME3030 and ME3036 modules.
Document Version: V1.1 （April-17-2007） This is the second time to release formally. The update contents include: 2. AT Command Newly added commands: ATO: Switch from command mode to data mode +++: Switch from data mode to command mode CLIP: Set caller ID presentation CCFC: Set call forwarding number and conditions CLCK: Lock device or network CPWD: Modify password CNMA: SMS confirmation CSCA: Set short message center number CPBS: Select contacts memorizer CPBR: Read contacts CPBW: Write contacts CPBF: Search for contacts IFC: Set flow control &D: Set DTR mode &C: Set DCD mode CGACT: Deactivate/activate PDP mode CGATT: Set GPRS startup CGCLASS: Device class ZIPSETUPU: Bundle UDP port ZIPSENDU: Send UDP data ZIPSTATUSU: Query UDP status ZIPCLOSEU: Close UDP port
4
GSM Modules
ZIPRECVU: Receive UDP data
Document Version: V1.0 （March-05-2007） This is the first time to release formally.
5
GSM Modules
Table of Contents 1
General Description.......................................................................................................9 1.1 AT Commands ...........................................................................................................................9 1.1.1 Type of AT Commands.................................................................................................9 1.1.2 Returned Type and Format of AT Commands..............................................................9 1.2 GSM Glossary..........................................................................................................................10
2
AT Command...............................................................................................................12 2.1 Common Command .................................................................................................................12 2.1.1 A/: repeat previous command ....................................................................................12 2.1.2 ATA: answer a call .....................................................................................................12 2.1.3 ATD: dial a number ....................................................................................................12 2.1.4 ATDL: dial the last outgoing number ..........................................................................12 2.1.5 ATE: enable echo.......................................................................................................13 2.1.6 ATH: hang up the call.................................................................................................13 2.1.7 ATQ: set if returned value displayed on the terminal..................................................13 2.1.8 +++: switch from data mode to command mode ........................................................14 2.1.9 ATO: switch from command mode to data mode .......................................................14 2.1.10 ATP: perform pulse dialing.........................................................................................14 2.1.11 ATS0: set auto answer...............................................................................................14 2.1.12 +CRC: set incoming call type.....................................................................................15 2.1.13 +CLVL: set call volume ..............................................................................................15 2.1.14 +CLIP: set caller ID presentation ...............................................................................15 2.1.15 +ZSETMUTE: mute control........................................................................................16 2.1.16 +CIMI: inquire International ID ...................................................................................16 2.1.17 +CGMR: obtain product version.................................................................................16 2.1.18 +ECHO: remove echo................................................................................................17 2.1.19 +(C) GSN: obtain current IMEI...................................................................................17 2.1.20 +ZVERS: obtain current software version ..................................................................17 2.1.21 +CLCK: function lock .................................................................................................17 2.1.22 +CCFC: set call forwarding number and conditions...................................................18 2.1.23 +CCWA：call waiting control .....................................................................................19 2.1.24 +CHLD：call hold and multiple session.....................................................................20 2.1.25 *TSIMINS: inquire SIM card status ............................................................................21 2.1.26 +CPWD：change password ......................................................................................21 2.1.27 +CGMI：inquire manufacture identification ...............................................................22 2.1.28 +ATZ：reset parameter according to memory setting ...............................................22 2.2 DTMF Command......................................................................................................................22 2.2.1 +VTD: set DTMF duration..........................................................................................22 2.2.2 +VTS: send DTMF .....................................................................................................23 2.3 Network Service Command .....................................................................................................23 2.3.1 +CREG: network registration and roam .....................................................................23 2.3.2 +COPS: network choice.............................................................................................24
6
GSM Modules
2.4 Mobile Device Control and Status Report ................................................................................24 2.4.1 +CPAS: module status query .....................................................................................24 2.4.2 +CFUN: set module function......................................................................................24 2.4.3 +CMEE：mobile device error report ..........................................................................25 2.4.4 +ZPWROFF: turn off module .....................................................................................25 2.4.5 +CPIN: input PIN code...............................................................................................25 2.4.6 +CSQ: signal strength query......................................................................................26 2.4.7 +CCLK: clock management .......................................................................................26 2.5 SMS Command........................................................................................................................27 2.5.1 +CSCA: set SMS center number ...............................................................................27 2.5.2 +CNMA: confirm SMS................................................................................................27 2.5.3 +CMGF: set SMS mode.............................................................................................27 2.5.4 +CNMI: set SMS indicator format ..............................................................................28 2.5.5 +CMGR: view SMS....................................................................................................29 2.5.6 +CSMS: select SMS service ......................................................................................31 2.5.7 +CMGS: message origination ....................................................................................31 2.5.8 +CPMS: prioritize message memorizer .....................................................................32 2.5.9 +CMGD: delete a message .......................................................................................32 2.5.10 +CMGL: message list ................................................................................................33 2.5.11 +CMSS: send messages stored in SIM card .............................................................35 2.5.12 +ZSMGS：SMS full indication ...................................................................................35 2.6 Phonebook Command .............................................................................................................35 2.6.1 +CPBS: select phonebook .........................................................................................35 2.6.2 +CPBR: read phonebook...........................................................................................36 2.6.3 +CPBW: write phonebook..........................................................................................37 2.6.4 +CPBF: find phonebook.............................................................................................37 2.6.5 +CNUM：obtain number of current terminal..............................................................38 2.7 Data Compression Command ..................................................................................................38 2.7.1 +IFC: flow control.......................................................................................................38 2.7.2 &D: set DTR mode.....................................................................................................39 2.7.3 &C: set DCD mode ....................................................................................................39 2.7.4 +IPR: set the module’s baud rate...............................................................................39 2.7.5 &F: factory default......................................................................................................40 2.7.6 &W: save setting ........................................................................................................40 2.7.7 +ZEDT: set detecting DTR signal...............................................................................40 2.8 ZTE Exclusive Command.........................................................................................................40 2.8.1 +ZGPIO: read/write GPIO..........................................................................................40 2.8.2 +SPEAKER: switch audio channel.............................................................................41 2.8.3 +ZDSLEEP: 32KHz deep sleep mode .......................................................................41 2.8.4 +ZSTR: query module’s status...................................................................................41 2.9 GPRS Command .....................................................................................................................42 2.9.1 +CGDCONT: set PDP format.....................................................................................42 2.9.2 + CGACT: deactivate/activate PDP setting ................................................................42 2.9.3 +CGATT: set GPRS ...................................................................................................42
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GSM Modules
2.9.4 +CGCLASS: query GPRS class ................................................................................43 2.10 TCP/IP Command ....................................................................................................................43 2.10.1 +ZPNUM: set APN, username, password ..................................................................43 2.10.2 +ZPPPOPEN: open GPRS data link..........................................................................43 2.10.3 +ZPPPCLOSE: close GPRS data link .......................................................................44 2.10.4 +ZIPSETUP: establish TCP server connection ..........................................................44 2.10.5 +ZIPSEND: send TCP data to target address............................................................44 2.10.6 +ZPPPSTATUS: query GPRS connecting status .......................................................45 2.10.7 +ZIPCLOSE: close TCP link ......................................................................................45 2.10.8 +ZIPGETIP: query current IP address of the module.................................................45 2.10.9 +ZIPSTATUS: query current TCP link status..............................................................45 2.10.10 +ZIPRECV: Prompt to Receive Data from Current Data Link ....................................45 2.10.11 +ZIPSETUPU: establish UDP server link...................................................................46 2.10.12 +ZIPSENDU: send data to UDP server......................................................................46 2.10.13 +ZIPSTATUSU: query UDP status .............................................................................46 2.10.14 +ZIPCLOSEU: close UDP link ...................................................................................47 2.10.15 +ZIPRECVU: prompt to receive UDP data.................................................................47
ME3000、MG3006、MG3030、MG3036、MG3080、MG3082、MG3086、MG3088 modules provide AT command interfaces, through which the modules could communicate with external devices. AT command set provided by ME3000、MG3006、MG3030、MG3036、MG3080、MG3082、MG3086、 MG3088 modules not only covers standard GSM voice and short message applications, but adds some commands according to GSM specification and some ZTE exclusive commands for users.
1.1.1 Type of AT Commands Since AT command is used as a standard interface, the returned values and formats of the command are both fixed. As a whole, AT command could be divided into four types: z Non-parameter command: a type of simple command with the format of AT[+|&],e.g.: AT+CSQ, AT&W z Query command: used to inquire the current setting value. The format is AT[+|&]?, e.g.: AT+CNMI? z Help command: used to list the possible parameters of the command. The format is AT[+|&]=?, e.g.: AT+CMGL=? z Parameter command: normally used format which provides strong flexibility. The format is AT[+|&]=,,… The returned values of this type of command are all the same. This will be clarified in details later. The basic frame format of the returned value is: [ERROR INFO]
1.1.2 Returned Type and Format of AT Commands The following are ME3000、MG3006、MG3030、MG3036、MG3080、MG3082、MG3086、MG3088 modules’ AT command and their format and returned descriptions: z AT command format: --AT command starts with “AT” and ends with ; --After the module runs, the serial port default setting will be: 8-digit data bit, 1-digit stop bit, no parity check, no CTS/RTS, data rate 115200bps. z AT command returned format: -- --An exceptional case: e.g.: AT+ZPOWEROFF (response format) directly return with “OK” z AT command status report (OK, ERROR): --If there is error in AT command format, “Error” will return; --If AT command executes successfully, “OK” will return.
9
GSM Modules
1.2
GSM Glossary
Abbreviations ADC
Definitions Analog-Digital Converter
AFC
Automatic Frequency Control
AGC
Automatic Gain Control
ARFCN
Absolute Radio Frequency Channel Number
ARP
Antenna Reference Point
ASIC
Application Specific Integrated Circuit
BER
Bit Error Rate
BTS
Base Transceiver Station
CDMA
Code Division Multiple Access
CDG
CDMA Development Group
CS
Coding Scheme
CSD
Circuit Switched Data
CPU
Central Processing Unit
DAI
Digital Audio interface
DAC
Digital-to-Analog Converter
DCE
Data Communication Equipment
DSP
Digital Signal Processor
DTE
Data Terminal Equipment
DTMF
Dual Tone Multi-Frequency
DTR
Data Terminal Ready
EFR
Enhanced Full Rate
EGSM
Enhanced GSM
EMC
Electromagnetic Compatibility
EMI
Electro Magnetic Interference
ESD
Electronic Static Discharge
ETS
European Telecommunication Standard
FDMA
Frequency Division Multiple Access
FR
Full Rate
GPRS
General Packet Radio Service
GSM
Global Standard for Mobile Communications
HR
Half Rate
IC
Integrated Circuit
IMEI
International Mobile Equipment Identity
ISO
International Standards Organization
ITU
International Telecommunications Union
LCD
Liquid Crystal Display
LED
Light Emitting Diode
MCU
Machine Control Unit
MMI
Man Machine Interface
10
GSM Modules
Abbreviations
Definitions
MS
Mobile Station
PCB
Printed Circuit Board
PCL
Power Control Level
PCS
Personal Communication System
PDU
Protocol Data Unit
PLL
Phase Locked Loop
PPP
Point-to-point protocol
RAM
Random Access Memory
RF
Radio Frequency
ROM
Read-only Memory
RMS
Root Mean Square
RTC
Real Time Clock
SIM
Subscriber Identification Module
SMS
Short Message Service
SRAM
Static Random Access Memory
TA
Terminal adapter
TDMA
Time Division Multiple Access
TE
Terminal Equipment also referred it as DTE
UART
Universal asynchronous receiver-transmitter
UIM
User Identifier Management
USB
Universal Serial Bus
VSWR
Voltage Standing Wave Ratio
ZTE
ZTE Corporation
11
GSM Modules
2 2.1
AT Command Common Command
2.1.1 A/: repeat previous command Description
This command is used to repeat the previous command.
Format
A/
Example
AT+CSQ
Inquire current signal strength
A/
Repeat AT+CSQ command
2.1.2 ATA: answer a call Description
This command is used to answer a call.
Format
ATA
Example
RING
Incoming call
ATA
Answer a call
2.1.3 ATD: dial a number Description
This command is used to dial a number, transmit data or send a fax.
Format
ATD; ATD>; ATD>;
Example
AT+CPBS=“SM” ATD13024540756;
Select SIM card phonebook as the current contacts Search for this number in SIM card phonebook and dial it
AT+CPBS=“SM” ATD>2; OK
Select SIM card phonebook as the current contacts Dial the second number in the current phonebook
ATD>SM1;
Dial the first number in SIM card phonebook
Description
: contacts “SM”: SIM card phonebook; “LD”: last dialled number in the contacts; “MC”: missed call contacts; “ME”: local contacts; : the n-th option of the contacts. : called number, e.g. *99#.
2.1.4 ATDL: dial the last outgoing number Description
This command is used to dial the last outgoing number. 12
GSM Modules
Format
ATDL
Example
ATD34394036; OK
Call 34394036
ATH OK
Hang up the call
ATDL
Dial 34394036 again
2.1.5 ATE: enable echo Description
This command is used to enable echo.
Format
ATE
Example
ATE0 OK
ATE0, don’t display input command on the terminal
OK ATE1 OK ATE1 OK Parameters
=0 Disable. =1 Enabled.
2.1.6 ATH: hang up the call Description
This command is used to hang up the call.
Format
ATH
Example
ATA OK
Answer the call
ATH
Hang up the call
2.1.7 ATQ: set if returned value displayed on the terminal Description
This command is used to set if the returned value is displayed on the terminal.
Format
ATQ
Example
ATQ0 OK ATQ0 OK
Display the returned value on the terminal
ATQ1 OK ATQ1ATQ1
Do not display the returned value on the terminal
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GSM Modules
2.1.8 +++: switch from data mode to command mode Description
This command is used to switch from data mode to command mode.
Format
+++
Example
ATD*99# CONNECT +++ …… AT OK
Dial and enter data mode switch from data mode to command mode
2.1.9 ATO: switch from command mode to data mode Description
This command is used to switch from command mode to data mode.
Format
ATO
Example
ATD*99# CONNECT +++ …… ATO ……
Dial and establish GPRS data connection Switch from data mode to command mode Switch from command mode to data mode
2.1.10 ATP: perform pulse dialing Description
This command is used to perform pulse dialing.
Format
ATP
Example
ATP OK
Set pulse dialing method
2.1.11 ATS0: set auto answer Description
This command is used to control auto answer mode of the module.
Format
ATS0=
Example
ATS0=2 OK
Auto answer after ringing twice
ATS0? 2 OK
Query the current setting
ATS0=0 OK
Cancel auto answer
Parameters
:times for ringing.
14
GSM Modules
2.1.12 +CRC: set incoming call type Description
This command is used to set the incoming call type.
Format
AT+CRC=num
Example
AT+CRC=1 OK +CRING: VOICE
Parameters
RING prompts the incoming call type Set CRC as the prompt of incoming call
This command is used to obtain the current IMEI of the device.
Format
AT+GSN
Example
AT+GSN N
Return with the current IEMI
2.1.20 +ZVERS: obtain current software version Description
This command is used to obtain current software version
Format
AT+ZVERS
Example
AT+ZVERS +ZVERS: ***.bin OK
Obtain the current software version
2.1.21 +CLCK: function lock Description
This command is used to lock the terminal or the network..
Format
AT+CLCK=,[,[,]] +CLCK:
Example
AT+CLCK=? +CLCK：（“SC”，“AO”， “OI”，“OX”，“AI”，“IR”， “AB”，“AG”，“AC”，“FD”， “BN”，“PN”，“PU”，“PP”， “PC”） OK
17
GSM Modules
Parameters
: “SC”: SIM card, “AO”: All originated calls, “OI”: Originate International Calls, “OX”: All international calls except local area; “AI”: All Incoming Calls, “IR”: Roam all incoming calls except local area; “AB”: All call services, “AG”: all outgoing call services, “AC”: all incoming call services, “FD”: SIM card fixed dial space, “PN”: network certification; “PU”network unit certification;“PP”: provider certification; “PC”corporate certification. : 0: unlock; 1: lock; 2: query status. :password, character string “***” : 1: voice service; 2: data service; 4: fax service; 7: all service. : 0: Disable; 1: Enable.
2.1.22 +CCFC: set call forwarding number and conditions Description
This command is used to set call forwarding number and conditions.
Format
AT+CCFC=,[, [,[,[,[,[,time]]]]]] If mode!=2,return after setting is successful: OK; If mode=2, return after setting is successful: +CCFC:,
Example
AT+CCFC=? +CCFC: (0,1,2,3,4,5) OK
Query call forwarding setting range Return with reason
18
GSM Modules
Parameters
0: unconditional; 1: mobile device busy; 2: no reply; 3: unreachable ; 4: all calls; 5: All. 0: disable; 1: enable; 2: query; 3: register; 4: delete. number: phone number. 145: international number; 129: other number. : string address. :128. 1: voice; 2: data; 4: fax; 7: all. Time:1..20..30 (muliply 5) : 0: Disable; 1: Enable.
2.1.23 +CCWA：call waiting control Description
This command is used to control call waiting.
Format
AT+CCWA=[] [, [,]]
Example
AT+CCWA=?
Enumerate all supported +CCWA: (list of supported s) OK
AT+CCWA?
Read current +CCWA: OK
19
GSM Modules
AT+CCWA=[] [, [,]]
Parameters
Call waiting setup When mode!=2，if succeed： OK When mode==2，respond： +CCWA:,[ +CCWA:,[...]] OK If operation is incorrect： +CME ERROR: If =1, it will generate call waiting result code： +CCWA: ,, [,][,] When call waiting function is enabled, in the initial process, or system terminates the establishment, it will generate this result code automatically.
0：don’t generate call waiting result code; 1:generate call waiting result code on its own. 0：disable call waiting;1：enable call waiting;2：inquire current status 1：voice service 0：disabled；1:enabled. call address number in waiting state, whose type is defined byparameter. format , please refer to AT+CLIP
2.1.24 +CHLD：call hold and multiple session Description
This command is used to call hold and multiple session.
Format
AT+CHLD=[]
Example
AT+CHLD=?
Inquire supported +CHLD: (list of supported s ) OK
AT+CHLD=[]
Configure call hold and operation: If setup is successful: OK If operation is incorrect: +CME ERROR:
20
multiple
session
GSM Modules
Parameters
0：release all held call or set a waiting call as UDUB. 1：release all active call and receive a held or waiting call. 1X：release call X. 2：hold all active calls, and receive another held or waiting call. 2X：hold all calls except X 3：join a held call to multiple session.
Remark
1、this command is only used for telecommunication service 11. 2、the value range of X is: 1～7. 3、if both held and waiting calls exist, above flow should be used for waiting call. 4. please use AT+CHLD=1first to release current call and use ATH to hang up. 5. the usage of AT+CHLD=3 depends on multiple application supplied by service provider.
2.1.25 *TSIMINS: inquire SIM card status Description
This command is used to inquire SIM card status.
Format
AT*TSIMINS=num, status
Example
AT*TSIMINS? *TSIMINS:0,0 OK
Parameters
Inquire SIM card status No SIM card
num:0 or 1 has no meaning. status: 0:no SIM card; 1:SIM card.
2.1.26 +CPWD：change password Description
This command is used to change password.
Format
AT+CPWD=,, +CPWD:s
Example
AT+CPWD=? +CPWD: ("SC",8),("AO",4), ("OI",4),("OX",4),("AI",4), ("IR",4),("AB",4),("AG",4), ("AC",4),("FD",8),("BN",8), ("P2",8) OK AT+CPWD ="SC","1234","2345" OK
Inquire setup range of this command Returned parameter list
Change password of SIM card
21
GSM Modules
Parameters
fac: "SC":SIM card; "AO" : originated call; "OI": international originated call; "OX":all international originated calls except local;"AI": all incoming calls,"IR":all incoming calls after roaming from local address,"AB": all call service,"AG": all originated call service,"AC": all incoming call service,"FD":SIM card fixed dial space,"PN": network authentication,"PU": network sub-system anthentication,"PP":service provider anthentication,"PC":corporate anthentication. passwd: password or operation code, character type "***". newpasswd: new password or operation code, character type "***". length: code length supported by fac.
This command is used to inquire manufacturer identification.
Format
AT＋CGMI
Example
AT+CGMI ZTE Mobile Ltd
Inquire manufacturer identification
OK
2.1.28 +ATZ：reset parameters according to memory setting Description
This command is used to read the parameters in module’s NVRAM and set into current value..
Format
ATZ
Example
ATZ0 OK
2.2
reset parameter according to memory setting correctly
DTMF Command
2.2.1 +VTD: set DTMF duration Description
AT+VTD set DTMF duration.
Format
AT+VTD=
Example
AT+VTD=? +VTD:(1-255) OK
Query the range for DTMF duration
AT+VTD? OK
Return with “OK”
AT+VTD=200 OK
Set DTMF duration as 20s
22
GSM Modules
Parameters
0:default setting. 1-255 length, unit: 100ms.
2.2.2 +VTS: send DTMF Description
This command is used to send DTMF.
Format
AT+VTS=
Example
AT+VTS=? +VTS:(0-9,*#,A,B,C,D),,(1-255) OK
Query +VTS parameter
ATD********; AT+VTS=“3,6,9”
Dial the call Send DTMF 369
Parameters
2.3
String, use comma to separate the symbols. Symbols 0-9,*,#,A-D.
Network Service Command
2.3.1 +CREG: network registration and roam Description
This command is used to query the module’s registration and roaming status. Note: need AT&W command to save the results as you set 0 or 1.
Format
AT+CREG= +CREG :, return code
Example
AT+CREG=0 OK
Forbid network registration to provide result code
AT+CREG? +CREG: 0,1
Display module registration status
AT+CREG=? +CREG: (0-2) OK
Quert status range
Parameters
0: Forbid network registration to provide result code(default setting); 1:allow network registration to provide result code:+CREG:; 2:allow network registration to provide local information. 0:Unregistered, terminal isn’t searching for new operator; 1:Registered to local network; 2:Unregistered, terminal is searching for BS; 4:Unknow code; 5:Registered, roaming.
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GSM Modules
2.3.2 +COPS: network choice Description
This command is used to choose network.
Format
AT+COPS=[[,[,]]]
Example
AT+COPS? +COPS=[,,] OK
Return to current network’s register mode and register network
AT+COPS=[[,[,]]] OK
Choose and register network
Parameters
2.4
: 0 choose network automatically，ignoring parameter 1 choose network manually with parameter 3 this command is used to set with the parameter 4 if register network manually is unsuccessful, then register network automatically. : 0 long format alpha ,up to 16 character 1 short , up to 8 character 2 numeric (MCC+MNC), default. : 0 unknown 2 current register network 3 forbid register network
Mobile Device Control and Status Report
2.4.1
+CPAS: module status query
Description
This command is used to query the module’s work status.
Format
AT+CPAS
Example
AT+CPAS +CPAS:2 OK
Parameters
: 0:get ready to receive AT command; 2:unknow status (default); 3:Incoming call (ring); 4:In calling.
Query the module’s current work status
2.4.2 +CFUN: set module function Description
This command is used to set module function.
Format
AT+CFUN=,
24
GSM Modules
Example
Parameters
AT+CFUN=? +CFUN(0,1,4),(0-1) OK
Query setting range
AT+CFUN=1,0
Setting valid immediately
AT+CFUN=1,1
Reset valid
: 0: minor function; 1: Full function; 4: Turn off RF Rx/Tx circuit. : 0: the function activated immediately after setting; 1: the function activated after reset.
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